Rhirous, Thessaly. 4th century BC. AE21 Trichalkon, 6.46 g. 

Laureate and bearded head of Zeus right
RIZOYSIWN (from the top, clockwise) around a bunch of grapes 
on a stalk from a vine branch with two vine leaves; two tendrils
above; upright trident in right field. 

Rogers 538; Traité IV, 747 and pl. CCC, 19 var. [the W upside 
down]. 

Triton XV, Lot 724.2.

Used with permission of CNG (cngcoins.com), March, 2012